In my opinion, to exercise exercising[앞뒤 통일] outdoors is better than working out in a gym with equipment.

because, the first thing is First of all, the covid 19 issue is not has not been solved yet.

and the second thing is Secondly, if exercising outdoors, if I were exercise outdoors,

I don't need to concern about the other point of views what other people think.

and the third thing is Lastly, it is not pricy[또는 it is cheap and affordable] because the only thing I can need is clothes and shoes.

So, I don't need to pay for the personal training fee.

For these reasons, I think exercising outdoors is better than exercising in a gym with equipment.